Aspect Ratio Calculator
Calculates width or height based on an aspect ratio.
Calculate missing pixel dimensions from an aspect ratio, or calculate the exact aspect ratio (e.g., 16:9) from pixel values.
Calculate Dimensions (Ratio ➔ Pixels)
Calculate Ratio (Pixels ➔ Ratio)
:
px
px
Quick Resolution Presets
Calculated Aspect Ratio
16 : 91.78 : 1
Closest Standard Format:16:9
Total Resolution:1920 × 1080 (2.07 MP)
Visual Preview
1920 × 1080
How does this tool work?
Calculates missing image or video dimensions based on a fixed aspect ratio.
Choose a standard aspect ratio or enter your own width and height ratio values. Then enter a known width or height in pixels to calculate the other dimension live.
Where are my data processed?
Only in your browser. Your data is not sent to any server.
The tool calculates and converts with JavaScript right on your device. Input and files are not sent to us or anyone else. You can check this yourself: load the page, disconnect from the internet, and the tool keeps working in the open tab.
No Server UploadNo sign-upRuns Offline in Tab